1. R. S. Mani, N. G. S. Gopal, Industrial Production of Radiopharmaceuticals in: Radiopharmacy. (Eds by M. Tubis and W. Wolf), John Wiley and Sons, New York, 1976, p. 507.
2. World Health Organization, Quality Assurance in Nuclear Medicine, Geneva, 1982.
3. P. Gertrude,Nuklearmedizin, 23 (1984) 4.
4. K. Kristensen, E. Norbygaord, Safety and Efficacy of Radiopharmaceuticals, Martins Nijhoff Publishers, Boston, 1984.
5. Analytical Quality Control of Radiopharmaceuticals, Proceeding of Panel of IAEA, 1970.